Compositions of polyphenylene oxides and thermoplastic polymers

Details Compositions of polyphenylene oxides and thermoplastic polymers Compositions of polyphenylene oxides and thermoplastic polymers

1990-01-29

1992-11-10

Ziegler, Jacob

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 63, 525 66, 525 67, 525 68, 525132, 525395, 525396, 525397, 525905, C08F 808, C08F 830, C08F 83, C08L 5104

Patent

active

051624400

ABSTRACT:
The present invention relates to a melt blended composition of the reaction product of about 70 to 99.99 percent by weight polyphenylene oxide, and about 0.01 to 30 percent by weight of a substituted olefin having the formula: ##STR1## wherein one to two of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are moieties containing reactive groups selected from carboxylic acid, acid anhydride, acid amide, imido, carboxylic ester, amino, hydroxyl, epoxy, group, oxazoline, oxazolone, oxazine, oxazinone, isocyanate, carbamate, carbamoyl lactam, acyl lactam, and mixtures and derivatives thereof, and wherein the remaining two to three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are H or a hydrocarbon radical of from 1 to about 20 carbon atoms; and polyolefin.
The present invention also relates to a blended composition of the foregoing reaction product; thermoplastic polymer; and a functionalized ethylene .alpha.-olefin rubber. The melt blended composition has good impact resistance.

REFERENCES:
patent: 4654405 (1987-03-01), Jalbert et al.
patent: 4839425 (1989-06-01), Mawatari et al.

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